Paper:
Language: English:

Sliding Mode Robot Control with Friction and Payload Estimation

Lörinc Márton*, and Béla Lantos**

*Dept. of Electrical Engineering, Sapientia Hungarian University of Transylvania, 540053 Tg. Mures, P-ta. Trandafirilor 61, Romania
**Dept. of Control Engineering and Information Technology, Budapest University of Technology and Economics, H-1117 Budapest, Magyar Tudósok körútja 2, Hungary

Received: May 5, 2004

Accepted: June 16, 2004

Keywords: robot control, sliding control, adaptive compensation, Lyapunov stability

Journal ref: Journal of Advanced Computational Intelligence and Intelligent Informatics, Vol.8, No.5 pp. 553-561, 2004

Abstract

The paper deals with robust motion control of robotic systems with unknown friction parameters and payload mass. The parameters of the robot arm were considered known with a given precision. To solve the control of the robot with unknown payload mass and friction parameters, sliding mode control algorithm was proposed combined with robust parameter adaptation techniques. Using Lyapunov method it was shown that the resulting controller achieves a guaranteed final tracking accuracy. Simulation results are presented to illustrate the effectiveness and achievable control performance of the proposed scheme.

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